#include"Delay.h"
#include"led.h"
#include "usart.h"
int main()
{
   uint8_t * ch="heo";
   uint8_t buf[100]={0};
   uint8_t size;
   usart_init();
   usart_sendchars(ch,strlen((char *)ch));
   while(1)
   {
      usart_Receivechars(buf,&size);
      //usart_sendchars(buf,size);
      usart_sendchars(buf,size);
   }
}
